From: Rong Tao <rongtao@cestc.cn>

Add kfuncs bpf_strcasestr and bpf_strncasestr, which are extensions of
bpf_strstr and bpf_strnstr, suitable for more scenarios.

Rong Tao (2):
  bpf: add bpf_strcasestr,bpf_strncasestr kfuncs
  selftests/bpf: Test bpf_strcasestr,bpf_strncasestr kfuncs

 kernel/bpf/helpers.c                          | 96 +++++++++++++++----
 .../selftests/bpf/prog_tests/string_kfuncs.c  |  2 +
 .../bpf/progs/string_kfuncs_failure1.c        | 12 +++
 .../bpf/progs/string_kfuncs_failure2.c        |  2 +
 .../bpf/progs/string_kfuncs_success.c         | 13 +++
 5 files changed, 104 insertions(+), 21 deletions(-)

-- 
2.51.0