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selftests/bpf: Use reno instead of dctcp 

Andrey pointed out that we can use reno instead of dctcp for CC
tests and drop CONFIG_TCP_CONG_DCTCP=y requirement.

Fixes: beecf11bc2 ("bpf: Bpf_{g,s}etsockopt for struct bpf_sock_addr")
Suggested-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200501224320.28441-1-sdf@google.com
This commit is contained in:
Stanislav Fomichev 2020-05-01 15:43:20 -07:00 committed by Alexei Starovoitov
parent 138c67677f
commit 57dc6f3b41
2 changed files with 3 additions and 4 deletions
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1
tools/testing/selftests/bpf/config
View File

@ -37,4 +37,3 @@ CONFIG_IPV6_SIT=m
CONFIG_BPF_JIT=y
CONFIG_BPF_LSM=y
CONFIG_SECURITY=y
CONFIG_TCP_CONG_DCTCP=y

6
tools/testing/selftests/bpf/progs/connect4_prog.c
View File

@ -59,12 +59,12 @@ static __inline int verify_cc(struct bpf_sock_addr *ctx,
static __inline int set_cc(struct bpf_sock_addr *ctx)
{
char dctcp[TCP_CA_NAME_MAX] = "dctcp";
char reno[TCP_CA_NAME_MAX] = "reno";
char cubic[TCP_CA_NAME_MAX] = "cubic";
if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &dctcp, sizeof(dctcp)))
if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &reno, sizeof(reno)))
return 1;
if (verify_cc(ctx, dctcp))
if (verify_cc(ctx, reno))
return 1;
if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &cubic, sizeof(cubic)))