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2023-11-30selftests: tc-testing: rename concurrency.json to flower.jsonPedro Tammela1-0/+0
All tests in this file pertain to flower, so name it appropriately Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-30selftests: tc-testing: remove spurious './' from MakefilePedro Tammela1-1/+1
Patchwork CI didn't like the extra './', so remove it. Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-30selftests: tc-testing: remove spurious nsPlugin usagePedro Tammela1-6/+0
Tests using DEV2 should not be run in a dedicated net namespace, and in parallel, as this device cannot be shared. Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-12-01Merge tag 'perf-tools-fixes-for-v6.7-1-2023-11-29' of ↵Linus Torvalds1-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools Pull perf tools fixes from Namhyung Kim: "Assorted build fixes including: - fix compile errors in printf() with u64 on 32-bit systesm - sync kernel headers to the tool copies - update arm64 sysreg generation for tarballs - disable compile warnings on __packed attribute" * tag 'perf-tools-fixes-for-v6.7-1-2023-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: tools: Disable __packed attribute compiler warning due to -Werror=attributes perf build: Ensure sysreg-defs Makefile respects output dir tools perf: Add arm64 sysreg files to MANIFEST tools/perf: Update tools's copy of mips syscall table tools/perf: Update tools's copy of s390 syscall table tools/perf: Update tools's copy of powerpc syscall table tools/perf: Update tools's copy of x86 syscall table tools headers: Update tools's copy of s390/asm headers tools headers: Update tools's copy of arm64/asm headers tools headers: Update tools's copy of x86/asm headers tools headers: Update tools's copy of socket.h header tools headers UAPI: Update tools's copy of unistd.h header tools headers UAPI: Update tools's copy of vhost.h header tools headers UAPI: Update tools's copy of mount.h header tools headers UAPI: Update tools's copy of kvm.h header tools headers UAPI: Update tools's copy of fscrypt.h header tools headers UAPI: Update tools's copy of drm headers perf lock contention: Fix a build error on 32-bit perf kwork: Fix a build error on 32-bit
2023-11-30Merge tag 'for-netdev' of ↵Jakub Kicinski16-72/+627
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== pull-request: bpf-next 2023-11-30 We've added 30 non-merge commits during the last 7 day(s) which contain a total of 58 files changed, 1598 insertions(+), 154 deletions(-). The main changes are: 1) Add initial TX metadata implementation for AF_XDP with support in mlx5 and stmmac drivers. Two types of offloads are supported right now, that is, TX timestamp and TX checksum offload, from Stanislav Fomichev with stmmac implementation from Song Yoong Siang. 2) Change BPF verifier logic to validate global subprograms lazily instead of unconditionally before the main program, so they can be guarded using BPF CO-RE techniques, from Andrii Nakryiko. 3) Add BPF link_info support for uprobe multi link along with bpftool integration for the latter, from Jiri Olsa. 4) Use pkg-config in BPF selftests to determine ld flags which is in particular needed for linking statically, from Akihiko Odaki. 5) Fix a few BPF selftest failures to adapt to the upcoming LLVM18, from Yonghong Song. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (30 commits) bpf/tests: Remove duplicate JSGT tests selftests/bpf: Add TX side to xdp_hw_metadata selftests/bpf: Convert xdp_hw_metadata to XDP_USE_NEED_WAKEUP selftests/bpf: Add TX side to xdp_metadata selftests/bpf: Add csum helpers selftests/xsk: Support tx_metadata_len xsk: Add option to calculate TX checksum in SW xsk: Validate xsk_tx_metadata flags xsk: Document tx_metadata_len layout net: stmmac: Add Tx HWTS support to XDP ZC net/mlx5e: Implement AF_XDP TX timestamp and checksum offload tools: ynl: Print xsk-features from the sample xsk: Add TX timestamp and TX checksum offload support xsk: Support tx_metadata_len selftests/bpf: Use pkg-config for libelf selftests/bpf: Override PKG_CONFIG for static builds selftests/bpf: Choose pkg-config for the target bpftool: Add support to display uprobe_multi links selftests/bpf: Add link_info test for uprobe_multi link selftests/bpf: Use bpf_link__destroy in fill_link_info tests ... ==================== Conflicts: Documentation/netlink/specs/netdev.yaml: 839ff60df3ab ("net: page_pool: add nlspec for basic access to page pools") 48eb03dd2630 ("xsk: Add TX timestamp and TX checksum offload support") https://lore.kernel.org/all/[email protected]/ While at it also regen, tree is dirty after: 48eb03dd2630 ("xsk: Add TX timestamp and TX checksum offload support") looks like code wasn't re-rendered after "render-max" was removed. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski8-30/+59
Cross-merge networking fixes after downstream PR. No conflicts. Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-30selftests: sched: Remove initialization to 0 for a static variableAtul Kumar Pant1-1/+1
Fixes following checkpatch.pl issue: ERROR: do not initialise statics to 0 Signed-off-by: Atul Kumar Pant <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30selftests: capabilities: namespace create varies for root and normal userSwarup Laxman Kotiaklapudi1-5/+1
This patchset fixes TODO: "If we're already root, we could skip creating the userns." Change namespace creation for root and non-root user differently in create_and_enter_ns() function in this file: tools/testing/selftests/capabilities/test_execve.c Test result with root user: $sudo make TARGETS="capabilities" kselftest ... TAP version 13 1..1 timeout set to 45 selftests: capabilities: test_execve TAP version 13 1..12 [RUN] +++ Tests with uid == 0 +++ [NOTE] Using global UIDs for tests [RUN] Root => ep ... ok 12 Passed Totals: pass:12 fail:0 xfail:0 xpass:0 skip:0 error:0 ================================================== TAP version 13 1..9 [RUN] +++ Tests with uid != 0 +++ [NOTE] Using global UIDs for tests [RUN] Non-root => no caps ... ok 9 Passed Totals: pass:9 fail:0 xfail:0 xpass:0 skip:0 error:0 Test result without root or normal user: $make TARGETS="capabilities" kselftest ... timeout set to 45 selftests: capabilities: test_execve TAP version 13 1..12 [RUN] +++ Tests with uid == 0 +++ [NOTE] Using a user namespace for tests [RUN] Root => ep validate_cap:: Capabilities after execve were correct ok 1 Passed Check cap_ambient manipulation rules ok 2 PR_CAP_AMBIENT_RAISE failed on non-inheritable cap ok 3 PR_CAP_AMBIENT_RAISE failed on non-permitted cap ok 4 PR_CAP_AMBIENT_RAISE worked ok 5 Basic manipulation appears to work [RUN] Root +i => eip validate_cap:: Capabilities after execve were correct ok 6 Passed [RUN] UID 0 +ia => eipa validate_cap:: Capabilities after execve were correct ok 7 Passed ok 8 # SKIP SUID/SGID tests (needs privilege) Planned tests != run tests (12 != 8) Totals: pass:7 fail:0 xfail:0 xpass:0 skip:1 error:0 ================================================== TAP version 13 1..9 [RUN] +++ Tests with uid != 0 +++ [NOTE] Using a user namespace for tests [RUN] Non-root => no caps validate_cap:: Capabilities after execve were correct ok 1 Passed Check cap_ambient manipulation rules ok 2 PR_CAP_AMBIENT_RAISE failed on non-inheritable cap ok 3 PR_CAP_AMBIENT_RAISE failed on non-permitted cap ok 4 PR_CAP_AMBIENT_RAISE worked ok 5 Basic manipulation appears to work [RUN] Non-root +i => i validate_cap:: Capabilities after execve were correct ok 6 Passed [RUN] UID 1 +ia => eipa validate_cap:: Capabilities after execve were correct ok 7 Passed ok 8 # SKIP SUID/SGID tests (needs privilege) Planned tests != run tests (9 != 8) Totals: pass:7 fail:0 xfail:0 xpass:0 skip:1 error:0 Signed-off-by: Swarup Laxman Kotiaklapudi <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30selftests: prctl: Add prctl test for PR_GET_NAMEOsama Muhammad1-0/+32
This patch covers the testing of PR_GET_NAME by reading it's value from proc/self/task/pid/comm and matching it with the value returned by PR_GET_NAME. If the values are matched then it's successful, otherwise it fails. changes since v1: - Handled fscanf,fopen error checking. - Defined MAX_PATH_LEN. Signed-off-by: Osama Muhammad <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-12-01Merge tag 'net-6.7-rc4' of ↵Linus Torvalds7-29/+58
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from bpf and wifi. Current release - regressions: - neighbour: fix __randomize_layout crash in struct neighbour - r8169: fix deadlock on RTL8125 in jumbo mtu mode Previous releases - regressions: - wifi: - mac80211: fix warning at station removal time - cfg80211: fix CQM for non-range use - tools: ynl-gen: fix unexpected response handling - octeontx2-af: fix possible buffer overflow - dpaa2: recycle the RX buffer only after all processing done - rswitch: fix missing dev_kfree_skb_any() in error path Previous releases - always broken: - ipv4: fix uaf issue when receiving igmp query packet - wifi: mac80211: fix debugfs deadlock at device removal time - bpf: - sockmap: af_unix stream sockets need to hold ref for pair sock - netdevsim: don't accept device bound programs - selftests: fix a char signedness issue - dsa: mv88e6xxx: fix marvell 6350 probe crash - octeontx2-pf: restore TC ingress police rules when interface is up - wangxun: fix memory leak on msix entry - ravb: keep reverse order of operations in ravb_remove()" * tag 'net-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (51 commits) net: ravb: Keep reverse order of operations in ravb_remove() net: ravb: Stop DMA in case of failures on ravb_open() net: ravb: Start TX queues after HW initialization succeeded net: ravb: Make write access to CXR35 first before accessing other EMAC registers net: ravb: Use pm_runtime_resume_and_get() net: ravb: Check return value of reset_control_deassert() net: libwx: fix memory leak on msix entry ice: Fix VF Reset paths when interface in a failed over aggregate bpf, sockmap: Add af_unix test with both sockets in map bpf, sockmap: af_unix stream sockets need to hold ref for pair sock tools: ynl-gen: always construct struct ynl_req_state ethtool: don't propagate EOPNOTSUPP from dumps ravb: Fix races between ravb_tx_timeout_work() and net related ops r8169: prevent potential deadlock in rtl8169_close r8169: fix deadlock on RTL8125 in jumbo mtu mode neighbour: Fix __randomize_layout crash in struct neighbour octeontx2-pf: Restore TC ingress police rules when interface is up octeontx2-pf: Fix adding mbox work queue entry when num_vfs > 64 net: stmmac: xgmac: Disable FPE MMC interrupts octeontx2-af: Fix possible buffer overflow ...
2023-11-30kselftest/vDSO: Use ksft_print_msg() rather than printf in vdso_test_abiMark Brown1-2/+2
There are a couple of raw printf() calls in vdso_test_abi which result in non KTAP conforment output such as [vDSO kselftest] VDSO_VERSION: LINUX_2.6 Convert them to use ksft_print_msg() so that they don't cause confusion for parsers. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30kselftest/vDSO: Fix message formatting for clock_id loggingMark Brown1-1/+1
When logging the ID of the currently tested clock vdso_test_clock() puts a spurious newline at the start of the format string resulting in output such as # clock_id: CLOCK_BOOTTIME which is a valid but empty KTAP informational message followed by a non conferment output line. Remove the initial newline to create a more KTAP friendly # clock_id: CLOCK_BOOTTIME Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30kselftest/vDSO: Make test name reporting for vdso_abi_test tooling friendlyMark Brown1-30/+36
The test results from vdso_abi_test are all formatted using a series of macros: #define VDSO_TEST_PASS_MSG() "\n%s(): PASS\n", __func__ #define VDSO_TEST_FAIL_MSG(x) "\n%s(): %s FAIL\n", __func__, x #define VDSO_TEST_SKIP_MSG(x) "\n%s(): SKIP: Could not find %s\n", __func__, x which don't play nicely with automated KTAP parsers since the actual KTAP lines are in the form ok 1 with no test name and we get an additional log line such as vdso_test_gettimeofday(): PASS with no preceeding # as KTAP requires. The lack of a test name means that many automation systems will have a hard time distinguishing between the different tests or correlating results between runs, the lack of # is less severe but could potentially cause confusion. Fix these issues by rewriting all the result reporting to include both the vDSO function name being tested and (where there is one) the name of the clock being tested in the main KTAP line. Since we have tests both with and without a specific clock we abandon the helper macros and just put the format strings used directly in the ksft_ API calls. When we fail to look up the relevant vDSO symbol we add a separate print statement explaining why the skip is being done. This gives output such as: ok 1 __vdso_gettimeofday # clock_id: CLOCK_REALTIME # The time is 1700673118.58091596 ok 2 __vdso_clock_gettime CLOCK_REALTIME which is much easier for test automation to work with. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30selftests:x86: Fix Format String Warnings in lam.cangquan yu1-2/+2
This commit addresses compiler warnings in lam.c related to the usage of non-literal format strings without format arguments in the 'run_test' function. Warnings fixed: - Resolved warnings indicating that 'ksft_test_result_skip' and 'ksft_test_result' were called with 't->msg' as a format string without accompanying format arguments. Changes made: - Modified the calls to 'ksft_test_result_skip' and 'ksft_test_result' to explicitly include a format specifier ("%s") for 't->msg'. - This ensures that the string is safely treated as a format argument, adhering to safer coding practices and resolving the compiler warnings. Signed-off-by: angquan yu <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30selftests/breakpoints: Fix format specifier in ksft_print_msg in ↵angquan yu1-1/+1
step_after_suspend_test.c In the function 'tools/testing/selftests/breakpoints/run_test' within step_after_suspend_test.c, the ksft_print_msg function call incorrectly used '$s' as a format specifier. This commit corrects this typo to use the proper '%s' format specifier, ensuring the error message from waitpid() is correctly displayed. The issue manifested as a compilation warning (too many arguments for format [-Wformat-extra-args]), potentially obscuring actual runtime errors and complicating debugging processes. This fix enhances the clarity of error messages during test failures and ensures compliance with standard C format string conventions. Signed-off-by: angquan yu <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-30selftests:breakpoints: Fix Format String Warning in breakpoint_testangquan yu1-2/+2
This commit resolves a compiler warning regardingthe use of non-literal format strings in breakpoint_test.c. The functions `ksft_test_result_pass` and `ksft_test_result_fail` were previously called with a variable `msg` directly, which could potentially lead to format string vulnerabilities. Changes made: - Modified the calls to `ksft_test_result_pass` and `ksft_test_result_fail` by adding a "%s" format specifier. This explicitly declares `msg` as a string argument, adhering to safer coding practices and resolving the compiler warning. This change does not affect the functional behavior of the code but ensures better code safety and compliance with recommended C programming standards. The previous warning is "breakpoint_test.c:287:17: warning: format not a string literal and no format arguments [-Wformat-security] 287 | ksft_test_result_pass(msg); | ^~~~~~~~~~~~~~~~~~~~~ breakpoint_test.c:289:17: warning: format not a string literal and no format arguments [-Wformat-security] 289 | ksft_test_result_fail(msg); | " Signed-off-by: angquan yu <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2023-11-29selftests: mptcp: add mptcp_lib_wait_local_port_listenGeliang Tang5-75/+24
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. wait_local_port_listen() helper is defined in diag.sh, mptcp_connect.sh, mptcp_join.sh and simult_flows.sh, export it into mptcp_lib.sh and rename it with mptcp_lib_ prefix. Use this new helper in all these scripts. Note: We only have IPv4 connections in this helper, not looking at IPv6 (tcp6) but that's OK because we only have IPv4 connections here in diag.sh. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add mptcp_lib_check_transferGeliang Tang4-63/+29
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. check_transfer() and print_file_err() helpers are defined both in mptcp_connect.sh and mptcp_sockopt.sh, export them into mptcp_lib.sh and rename them with mptcp_lib_ prefix. And use them in all scripts. Note: In mptcp_sockopt.sh it is OK to drop 'ret=1' in check_transfer() because it will be set in run_tests() anyway. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add mptcp_lib_make_fileGeliang Tang5-17/+13
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. make_file() helper in mptcp_sockopt.sh and userspace_pm.sh are the same. Export it into mptcp_lib.sh and rename it as mptcp_lib_kill_wait(). Use it in both mptcp_connect.sh and mptcp_join.sh. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add missing oflag=appendGeliang Tang1-1/+1
In mptcp_connect.sh we are missing something like "oflag=append" because this will write "${rem}" bytes at the beginning of the file where there is already some random bytes. It should write that at the end. This patch adds this missing 'oflag=append' flag for 'dd' command in make_file(). Suggested-by: Matthieu Baerts <[email protected]> Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add mptcp_lib_get_counterGeliang Tang4-86/+73
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. The helper get_counter() in mptcp_join.sh and get_mib_counter() in mptcp_connect.sh have the same functionality, export get_counter() into mptcp_lib.sh and rename it as mptcp_lib_get_counter(). Use this new helper instead of get_counter() and get_mib_counter(). Use this helper in test_prio() in userspace_pm.sh too instead of open-coding. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add mptcp_lib_is_v6Geliang Tang4-28/+15
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. is_v6() helper is defined in mptcp_connect.sh, mptcp_join.sh and mptcp_sockopt.sh, so export it into mptcp_lib.sh and rename it as mptcp_lib_is_v6(). Use this new helper in all scripts. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add mptcp_lib_kill_waitGeliang Tang3-28/+22
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. Export kill_wait() helper in userspace_pm.sh into mptcp_lib.sh and rename it as mptcp_lib_kill_wait(). It can be used to instead of kill_wait() in mptcp_join.sh. Use the new helper in both scripts. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: userspace pm send RM_ADDR for ID 0Geliang Tang1-0/+26
This patch adds a selftest for userspace PM to remove id 0 address. Use userspace_pm_add_addr() helper to add an id 10 address, then use userspace_pm_rm_addr() helper to remove id 0 address. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: userspace pm remove initial subflowGeliang Tang1-0/+24
This patch adds a selftest for userspace PM to remove the initial subflow. Use userspace_pm_add_sf() to add a subflow, and pass initial IP address to userspace_pm_rm_sf() to remove the initial subflow. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: userspace pm create id 0 subflowGeliang Tang1-0/+19
This patch adds a selftest to create id 0 subflow. Pass id 0 to the helper userspace_pm_add_sf() to create id 0 subflow. chk_mptcp_info shows one subflow but chk_subflows_total shows two subflows in each namespace. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: update userspace pm test helpersGeliang Tang1-52/+50
This patch adds a new argument namespace to userspace_pm_add_addr() and userspace_pm_add_sf() to make these two helper more versatile. Add two more versatile helpers for userspace pm remove subflow or address: userspace_pm_rm_addr() and userspace_pm_rm_sf(). The original test helpers userspace_pm_rm_sf_addr_ns1() and userspace_pm_rm_sf_addr_ns2() can be replaced by these new helpers. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add chk_subflows_total helperGeliang Tang1-1/+41
This patch adds a new helper chk_subflows_total(), in it use the newly added counter mptcpi_subflows_total to get the "correct" amount of subflows, including the initial one. To be compatible with old 'ss' or kernel versions not supporting this counter, get the total subflows by listing TCP connections that are MPTCP subflows: ss -ti state state established state syn-sent state syn-recv | grep -c tcp-ulp-mptcp. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29selftests: mptcp: add evts_get_info helperGeliang Tang3-58/+57
This patch adds a new helper get_info_value(), using 'sed' command to parse the value of the given item name in the line with the given keyword, to make chk_mptcp_info() and pedit_action_pkts() more readable. Also add another helper evts_get_info() to use get_info_value() to parse the output of 'pm_nl_ctl events' command, to make all the userspace pm selftests more readable, both in mptcp_join.sh and userspace_pm.sh. Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-29Merge tag 'for-netdev' of ↵Jakub Kicinski2-11/+47
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2023-11-30 We've added 5 non-merge commits during the last 7 day(s) which contain a total of 10 files changed, 66 insertions(+), 15 deletions(-). The main changes are: 1) Fix AF_UNIX splat from use after free in BPF sockmap, from John Fastabend. 2) Fix a syzkaller splat in netdevsim by properly handling offloaded programs (and not device-bound ones), from Stanislav Fomichev. 3) Fix bpf_mem_cache_alloc_flags() to initialize the allocation hint, from Hou Tao. 4) Fix netkit by rejecting IFLA_NETKIT_PEER_INFO in changelink, from Daniel Borkmann. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf, sockmap: Add af_unix test with both sockets in map bpf, sockmap: af_unix stream sockets need to hold ref for pair sock netkit: Reject IFLA_NETKIT_PEER_INFO in netkit_change_link bpf: Add missed allocation hint for bpf_mem_cache_alloc_flags() netdevsim: Don't accept device bound programs ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-30bpf, sockmap: Add af_unix test with both sockets in mapJohn Fastabend2-11/+47
This adds a test where both pairs of a af_unix paired socket are put into a BPF map. This ensures that when we tear down the af_unix pair we don't have any issues on sockmap side with ordering and reference counting. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-29selftests/bpf: Add TX side to xdp_hw_metadataStanislav Fomichev1-4/+160
When we get a packet on port 9091, we swap src/dst and send it out. At this point we also request the timestamp and checksum offloads. Checksum offload is verified by looking at the tcpdump on the other side. The tool prints pseudo-header csum and the final one it expects. The final checksum actually matches the incoming packets checksum because we only flip the src/dst and don't change the payload. Some other related changes: - switched to zerocopy mode by default; new flag can be used to force old behavior - request fixed tx_metadata_len headroom - some other small fixes (umem size, fill idx+i, etc) mvbz3:~# ./xdp_hw_metadata eth3 ... xsk_ring_cons__peek: 1 0x19546f8: rx_desc[0]->addr=80100 addr=80100 comp_addr=80100 rx_hash: 0x80B7EA8B with RSS type:0x2A rx_timestamp: 1697580171852147395 (sec:1697580171.8521) HW RX-time: 1697580171852147395 (sec:1697580171.8521), delta to User RX-time sec:0.2797 (279673.082 usec) XDP RX-time: 1697580172131699047 (sec:1697580172.1317), delta to User RX-time sec:0.0001 (121.430 usec) 0x19546f8: ping-pong with csum=3b8e (want d862) csum_start=54 csum_offset=6 0x19546f8: complete tx idx=0 addr=8 tx_timestamp: 1697580172056756493 (sec:1697580172.0568) HW TX-complete-time: 1697580172056756493 (sec:1697580172.0568), delta to User TX-complete-time sec:0.0852 (85175.537 usec) XDP RX-time: 1697580172131699047 (sec:1697580172.1317), delta to User TX-complete-time sec:0.0102 (10232.983 usec) HW RX-time: 1697580171852147395 (sec:1697580171.8521), delta to HW TX-complete-time sec:0.2046 (204609.098 usec) 0x19546f8: complete rx idx=128 addr=80100 mvbz4:~# nc -Nu -q1 ${MVBZ3_LINK_LOCAL_IP}%eth3 9091 mvbz4:~# tcpdump -vvx -i eth3 udp tcpdump: listening on eth3, link-type EN10MB (Ethernet), snapshot length 262144 bytes 12:26:09.301074 IP6 (flowlabel 0x35fa5, hlim 127, next-header UDP (17) payload length: 11) fe80::1270:fdff:fe48:1087.55807 > fe80::1270:fdff:fe48:1077.9091: [bad udp cksum 0x3b8e -> 0xde7e!] UDP, length 3 0x0000: 6003 5fa5 000b 117f fe80 0000 0000 0000 0x0010: 1270 fdff fe48 1087 fe80 0000 0000 0000 0x0020: 1270 fdff fe48 1077 d9ff 2383 000b 3b8e 0x0030: 7864 70 12:26:09.301976 IP6 (flowlabel 0x35fa5, hlim 127, next-header UDP (17) payload length: 11) fe80::1270:fdff:fe48:1077.9091 > fe80::1270:fdff:fe48:1087.55807: [udp sum ok] UDP, length 3 0x0000: 6003 5fa5 000b 117f fe80 0000 0000 0000 0x0010: 1270 fdff fe48 1077 fe80 0000 0000 0000 0x0020: 1270 fdff fe48 1087 2383 d9ff 000b de7e 0x0030: 7864 70 Signed-off-by: Stanislav Fomichev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>
2023-11-29selftests/bpf: Convert xdp_hw_metadata to XDP_USE_NEED_WAKEUPStanislav Fomichev1-24/+49
This is the recommended way to run AF_XDP, so let's use it in the test. Also, some unrelated changes to now blow up the log too much: - change default mode to zerocopy and add -c to use copy mode - small fixes for the flags/sizes/prints - add print_tstamp_delta to print timestamp + reference Signed-off-by: Stanislav Fomichev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>
2023-11-29selftests/bpf: Add TX side to xdp_metadataStanislav Fomichev1-4/+29
Request TX timestamp and make sure it's not empty. Request TX checksum offload (SW-only) and make sure it's resolved to the correct one. Signed-off-by: Stanislav Fomichev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>
2023-11-29selftests/bpf: Add csum helpersStanislav Fomichev1-0/+43
Checksum helpers will be used to calculate pseudo-header checksum in AF_XDP metadata selftests. The helpers are mirroring existing kernel ones: - csum_tcpudp_magic : IPv4 pseudo header csum - csum_ipv6_magic : IPv6 pseudo header csum - csum_fold : fold csum and do one's complement Signed-off-by: Stanislav Fomichev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>
2023-11-29selftests/xsk: Support tx_metadata_lenStanislav Fomichev2-0/+4
Add new config field and propagate to UMEM registration setsockopt. Signed-off-by: Stanislav Fomichev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>
2023-11-28selftests/bpf: Use pkg-config for libelfAkihiko Odaki1-2/+6
When linking statically, libraries may require other dependencies to be included to ld flags. In particular, libelf may require libzstd. Use pkg-config to determine such dependencies. Signed-off-by: Akihiko Odaki <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-28selftests/bpf: Override PKG_CONFIG for static buildsAkihiko Odaki1-1/+1
A library may need to depend on additional archive files for static builds so pkg-config should be instructed to list them. Signed-off-by: Akihiko Odaki <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-28selftests/bpf: Choose pkg-config for the targetAkihiko Odaki1-3/+3
pkg-config is used to build sign-file executable. It should use the library for the target instead of the host as it is called during tests. Signed-off-by: Akihiko Odaki <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-28selftests/bpf: Add link_info test for uprobe_multi linkJiri Olsa2-0/+204
Adding fill_link_info test for uprobe_multi link. Setting up uprobes with bogus ref_ctr_offsets and cookie values to test all the bpf_link_info::uprobe_multi fields. Signed-off-by: Jiri Olsa <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Song Liu <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-28selftests/bpf: Use bpf_link__destroy in fill_link_info testsJiri Olsa1-21/+23
The fill_link_info test keeps skeleton open and just creates various links. We are wrongly calling bpf_link__detach after each test to close them, we need to call bpf_link__destroy. Signed-off-by: Jiri Olsa <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Yonghong Song <[email protected]> Acked-by: Yafang Shao <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-28libbpf: Add st_type argument to elf_resolve_syms_offsets functionJiri Olsa1-1/+1
We need to get offsets for static variables in following changes, so making elf_resolve_syms_offsets to take st_type value as argument and passing it to elf_sym_iter_new. Signed-off-by: Jiri Olsa <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Acked-by: Song Liu <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2023-11-28cgroup/cpuset: Expose cpuset.cpus.isolatedWaiman Long1-14/+18
The root-only cpuset.cpus.isolated control file shows the current set of isolated CPUs in isolated partitions. This control file is currently exposed only with the cgroup_debug boot command line option which also adds the ".__DEBUG__." prefix. This is actually a useful control file if users want to find out which CPUs are currently in an isolated state by the cpuset controller. Remove CFTYPE_DEBUG flag for this control file and make it available by default without any prefix. The test_cpuset_prs.sh test script and the cgroup-v2.rst documentation file are also updated accordingly. Minor code change is also made in test_cpuset_prs.sh to avoid false test failure when running on debug kernel. Signed-off-by: Waiman Long <[email protected]> Signed-off-by: Tejun Heo <[email protected]>
2023-11-27selftests: tc-testing: remove unused importPedro Tammela1-2/+0
Remove this leftover from the times we pre-allocated everything Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-27selftests: tc-testing: cleanup on Ctrl-CPedro Tammela2-2/+6
Cleanup net namespaces and other resources if we get a SIGINT (Ctrl-C). As user visible resources are allocated on a per test basis, it's only required to catch this condition when (possibly) running tests. So far calling post_suite is enough to free up anything that might linger. A missing keyword replacement for nsPlugin is also included. Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-27selftests: tc-testing: prefix iproute2 functions with "ipr2"Pedro Tammela1-8/+8
As suggested by Simon, prefix the functions that operate on iproute2 commands in contrast with the "nl" netlink prefix. Cc: Simon Horman <[email protected]> Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-27selftests: tc-testing: remove unnecessary time.sleepPedro Tammela1-5/+0
This operation is redundant and it's not stabilizing nor waiting for anything. Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-27selftests: tc-testing: remove buildebpf pluginPedro Tammela7-113/+11
As tdc only tests loading/deleting and anything more complicated is better left to the ebpf test suite, provide a pre-compiled version of 'action.c' and don't bother compiling it in kselftests or on the fly at all. Cc: Davide Caratti <[email protected]> Signed-off-by: Pedro Tammela <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-27selftests/net: mptcp: fix uninitialized variable warningsWillem de Bruijn2-14/+8
Same init_rng() in both tests. The function reads /dev/urandom to initialize srand(). In case of failure, it falls back onto the entropy in the uninitialized variable. Not sure if this is on purpose. But failure reading urandom should be rare, so just fail hard. While at it, convert to getrandom(). Which man 4 random suggests is simpler and more robust. mptcp_inq.c:525:6: mptcp_connect.c:1131:6: error: variable 'foo' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] Fixes: 048d19d444be ("mptcp: add basic kselftest for mptcp") Fixes: b51880568f20 ("selftests: mptcp: add inq test case") Cc: Florian Westphal <[email protected]> Signed-off-by: Willem de Bruijn <[email protected]> ---- When input is randomized because this is expected to meaningfully explore edge cases, should we also add 1. logging the random seed to stdout and 2. adding a command line argument to replay from a specific seed I can do this in net-next, if authors find it useful in this case. Reviewed-by: Matthieu Baerts <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-11-27selftests/net: unix: fix unused variable compiler warningWillem de Bruijn1-1/+0
Remove an unused variable. diag_uid.c:151:24: error: unused variable 'udr' [-Werror,-Wunused-variable] Fixes: ac011361bd4f ("af_unix: Add test for sock_diag and UDIAG_SHOW_UID.") Signed-off-by: Willem de Bruijn <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
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