aboutsummaryrefslogtreecommitdiff
path: root/include/uapi/linux/bpf.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/bpf.h')
-rw-r--r--include/uapi/linux/bpf.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index c26871263f1f..2820c77e4846 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -4983,6 +4983,16 @@ union bpf_attr {
* Return
* The number of loops performed, **-EINVAL** for invalid **flags**,
* **-E2BIG** if **nr_loops** exceeds the maximum number of loops.
+ *
+ * long bpf_strncmp(const char *s1, u32 s1_sz, const char *s2)
+ * Description
+ * Do strncmp() between **s1** and **s2**. **s1** doesn't need
+ * to be null-terminated and **s1_sz** is the maximum storage
+ * size of **s1**. **s2** must be a read-only string.
+ * Return
+ * An integer less than, equal to, or greater than zero
+ * if the first **s1_sz** bytes of **s1** is found to be
+ * less than, to match, or be greater than **s2**.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -5167,6 +5177,7 @@ union bpf_attr {
FN(kallsyms_lookup_name), \
FN(find_vma), \
FN(loop), \
+ FN(strncmp), \
/* */
/* integer value in 'imm' field of BPF_CALL instruction selects which helper