diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c b/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c index 83753b00a556..5c3614333b01 100644 --- a/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c +++ b/tools/testing/selftests/bpf/progs/sockopt_qos_to_cc.c @@ -1,24 +1,20 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2021 Facebook */ -#include <string.h> -#include <linux/tcp.h> -#include <netinet/in.h> -#include <linux/bpf.h> -#include <bpf/bpf_helpers.h> -#include "bpf_tcp_helpers.h" +#include "bpf_tracing_net.h" char _license[] SEC("license") = "GPL"; __s32 page_size = 0; +const char cc_reno[TCP_CA_NAME_MAX] = "reno"; +const char cc_cubic[TCP_CA_NAME_MAX] = "cubic"; + SEC("cgroup/setsockopt") int sockopt_qos_to_cc(struct bpf_sockopt *ctx) { void *optval_end = ctx->optval_end; int *optval = ctx->optval; char buf[TCP_CA_NAME_MAX]; - char cc_reno[TCP_CA_NAME_MAX] = "reno"; - char cc_cubic[TCP_CA_NAME_MAX] = "cubic"; if (ctx->level != SOL_IPV6 || ctx->optname != IPV6_TCLASS) goto out; @@ -29,11 +25,11 @@ int sockopt_qos_to_cc(struct bpf_sockopt *ctx) if (bpf_getsockopt(ctx->sk, SOL_TCP, TCP_CONGESTION, &buf, sizeof(buf))) return 0; - if (!tcp_cc_eq(buf, cc_cubic)) + if (bpf_strncmp(buf, sizeof(buf), cc_cubic)) return 0; if (*optval == 0x2d) { - if (bpf_setsockopt(ctx->sk, SOL_TCP, TCP_CONGESTION, &cc_reno, + if (bpf_setsockopt(ctx->sk, SOL_TCP, TCP_CONGESTION, (void *)&cc_reno, sizeof(cc_reno))) return 0; } |