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(parent: 33d9875) | patch
bpf: Add BPF_FUNC_tcp_send_ack helper
authorMartin KaFai Lau <kafai@fb.com>
Thu, 9 Jan 2020 00:45:51 +0000 (16:45 -0800)
committerAlexei Starovoitov <ast@kernel.org>
Thu, 9 Jan 2020 16:46:18 +0000 (08:46 -0800)
commit05e9e6fcd9a1a418c657bdb37c7ebffa830e48ca
tree4e4b87e6b400b03b472793c007485d5df57584a9tree | snapshot
parent33d98751cc5b072d3282a4f18a09d3eff07c737fcommit | diff
bpf: Add BPF_FUNC_tcp_send_ack helper

Add a helper to send out a tcp-ack.  It will be used in the later
bpf_dctcp implementation that requires to send out an ack
when the CE state changed.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200109004551.3900448-1-kafai@fb.com
include/uapi/linux/bpf.h diff | blob | history
net/ipv4/bpf_tcp_ca.c diff | blob | history
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