diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bpf.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 29eecd79352e..4427c6e98331 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1229,6 +1229,7 @@ enum { #endif }; +#define BPF_TRAMP_COOKIE_INDEX_SHIFT 8 #define BPF_TRAMP_IS_RETURN_SHIFT 63 struct bpf_tramp_links { @@ -1782,6 +1783,7 @@ struct bpf_prog { enforce_expected_attach_type:1, /* Enforce expected_attach_type checking at attach time */ call_get_stack:1, /* Do we call bpf_get_stack() or bpf_get_stackid() */ call_get_func_ip:1, /* Do we call get_func_ip() */ + call_session_cookie:1, /* Do we call bpf_session_cookie() */ tstamp_type_access:1, /* Accessed __sk_buff->tstamp_type */ sleepable:1; /* BPF program is sleepable */ enum bpf_prog_type type; /* Type of BPF program */ @@ -2190,6 +2192,19 @@ static inline int bpf_fsession_cnt(struct bpf_tramp_links *links) return cnt; } +static inline int bpf_fsession_cookie_cnt(struct bpf_tramp_links *links) +{ + struct bpf_tramp_links fentries = links[BPF_TRAMP_FENTRY]; + int cnt = 0; + + for (int i = 0; i < links[BPF_TRAMP_FENTRY].nr_links; i++) { + if (fentries.links[i]->link.prog->call_session_cookie) + cnt++; + } + + return cnt; +} + int bpf_prog_ctx_arg_info_init(struct bpf_prog *prog, const struct bpf_ctx_arg_aux *info, u32 cnt); |