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bpf: sync bpf.h to tools and update bpf_helpers.h

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This patch syncs the uapi bpf.h to tools/ and also updates
bpf_herlpers.h in tools/

Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
brakmo
2019-03-01 12:38:47 -08:00
committed by yonghong-song
parent cba1a119cf
commit 68cafb4cf7
1 changed files with 9 additions and 1 deletions
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10
include/uapi/linux/bpf.h
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@@ -2359,6 +2359,13 @@ union bpf_attr {
* Return * Return
* A **struct bpf_tcp_sock** pointer on success, or NULL in * A **struct bpf_tcp_sock** pointer on success, or NULL in
* case of failure. * case of failure.
*
* int bpf_skb_ecn_set_ce(struct sk_buf *skb)
* Description
* Sets ECN of IP header to ce (congestion encountered) if
* current value is ect (ECN capable). Works with IPv6 and IPv4.
* Return
* 1 if set, 0 if not set.
*/ */
#define __BPF_FUNC_MAPPER(FN) \ #define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \ FN(unspec), \
@@ -2457,7 +2464,8 @@ union bpf_attr {
FN(spin_lock), \ FN(spin_lock), \
FN(spin_unlock), \ FN(spin_unlock), \
FN(sk_fullsock), \ FN(sk_fullsock), \
FN(tcp_sock), FN(tcp_sock), \
FN(skb_ecn_set_ce),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper /* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call * function eBPF program intends to call