Kfunc already support bpf_strcmp, this patchset introduce bpf_strcasecmp and add some selftests.

Rong Tao (2): bpf: add bpf_strcasecmp kfunc selftests/bpf: Test kfunc bpf_strcasecmp

kernel/bpf/helpers.c | 68 +++++++++++++------ .../selftests/bpf/prog_tests/string_kfuncs.c | 1 + .../bpf/progs/string_kfuncs_failure1.c | 6 ++ .../bpf/progs/string_kfuncs_failure2.c | 1 + .../bpf/progs/string_kfuncs_success.c | 5 ++ 5 files changed, 61 insertions(+), 20 deletions(-)

--- v4: __bpf_strcasecmp should be static function; v3: Update prog_tests/string_kfuncs.c for "strcasecmp"; https://lore.kernel.org/lkml/tencent_0E0C830021A02CBCCB6D95AE57CFD100C407@qq... v2: Remove __ign prefix from __bpf_strcasecmp and add E2BIG failure test; https://lore.kernel.org/lkml/tencent_8646158457D4511C447C833B21B3ACF6CB07@qq... v1: https://lore.kernel.org/lkml/tencent_5AE811A28781BE106AD6CDE59F4ADD2BFA06@qq...