From: Rong Tao <[email protected]>
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 | 98 +++++++++++++++----
.../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 | 10 ++
5 files changed, 103 insertions(+), 21 deletions(-)
---
v4: Fix wrong comment.
v3: keep __bpf_strnstr() static and compress some tests.
https://lore.kernel.org/lkml/[email protected]/
v2: remove extra __bpf_kfunc and fix comment of bpf_strncasestr().
https://lore.kernel.org/all/[email protected]/
v1:
https://lore.kernel.org/all/[email protected]/
--
2.51.0
