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tools/bpf: sync uapi bpf.h for bpf_get_current_cgroup_id() helper

Sync kernel uapi/linux/bpf.h with tools uapi/linux/bpf.h. Also add the necessary helper define in bpf_helpers.h.

Yonghong Song committed 8 years ago

Commit c7ddbba1 parent bf6fa2c2 files · +9 −1Browse files

Showing the changes to tools/include/uapi/linux (1 of 2 files). Show all

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tools/include/uapi/linux/bpf.h+7−1
@@ -2070,6 +2070,11 @@ union bpf_attr { · 2069 unmodified lines
2070 * **CONFIG_SOCK_CGROUP_DATA** configuration option.2070 * **CONFIG_SOCK_CGROUP_DATA** configuration option.
2071 * Return2071 * Return
2072 * The id is returned or 0 in case the id could not be retrieved.2072 * The id is returned or 0 in case the id could not be retrieved.
2073 *
2074 * u64 bpf_get_current_cgroup_id(void)
2075 * Return
2076 * A 64-bit integer containing the current cgroup id based
2077 * on the cgroup within which the current task is running.
2073 */2078 */
2074#define __BPF_FUNC_MAPPER(FN) \2079#define __BPF_FUNC_MAPPER(FN) \
2075 FN(unspec), \2080 FN(unspec), \
@@ -2151,7 +2156,8 @@ union bpf_attr { · 75 unmodified lines
2151 FN(lwt_seg6_action), \2156 FN(lwt_seg6_action), \
2152 FN(rc_repeat), \2157 FN(rc_repeat), \
2153 FN(rc_keydown), \2158 FN(rc_keydown), \
2154 FN(skb_cgroup_id),2159 FN(skb_cgroup_id), \
2160 FN(get_current_cgroup_id),
2155 2161
2156/* integer value in 'imm' field of BPF_CALL instruction selects which helper2162/* integer value in 'imm' field of BPF_CALL instruction selects which helper
2157 * function eBPF program intends to call2163 * function eBPF program intends to call