diff --git a/samples/bpf/tcp_bufs_kern.c b/samples/bpf/tcp_bufs_kern.c
index ee83bbabd17c4f1622c1f3efc66fb03443e53b1c..0566b7fa38a108bf4f7f98ece2d51c3397195b74 100644
--- a/samples/bpf/tcp_bufs_kern.c
+++ b/samples/bpf/tcp_bufs_kern.c
@@ -41,8 +41,10 @@ int bpf_bufs(struct bpf_sock_ops *skops)
* if neither port numberis 55601
*/
if (bpf_ntohl(skops->remote_port) != 55601 &&
- skops->local_port != 55601)
- return -1;
+ skops->local_port != 55601) {
+ skops->reply = -1;
+ return 1;
+ }
op = (int) skops->op;
@@ -61,8 +63,8 @@ int bpf_bufs(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of active connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF, &bufsize,
sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
- &bufsize, sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
+ &bufsize, sizeof(bufsize));
break;
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
/* Nothing to do */
@@ -71,8 +73,8 @@ int bpf_bufs(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of passive connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF, &bufsize,
sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
- &bufsize, sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
+ &bufsize, sizeof(bufsize));
break;
default:
rv = -1;
diff --git a/samples/bpf/tcp_clamp_kern.c b/samples/bpf/tcp_clamp_kern.c
index d68eadd9ca2d47bef7b0c712d6239c773080cd8d..f4225c9d2c0c02a8c7554e677f6b533fc2cfff0a 100644
--- a/samples/bpf/tcp_clamp_kern.c
+++ b/samples/bpf/tcp_clamp_kern.c
@@ -41,8 +41,10 @@ int bpf_clamp(struct bpf_sock_ops *skops)
/* For testing purposes, only execute rest of BPF program
* if neither port numberis 55601
*/
- if (bpf_ntohl(skops->remote_port) != 55601 && skops->local_port != 55601)
- return -1;
+ if (bpf_ntohl(skops->remote_port) != 55601 && skops->local_port != 55601) {
+ skops->reply = -1;
+ return 0;
+ }
op = (int) skops->op;
@@ -66,9 +68,9 @@ int bpf_clamp(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of active connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF,
&bufsize, sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET,
- SO_RCVBUF, &bufsize,
- sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET,
+ SO_RCVBUF, &bufsize,
+ sizeof(bufsize));
break;
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
rv = bpf_setsockopt(skops, SOL_TCP,
@@ -80,12 +82,12 @@ int bpf_clamp(struct bpf_sock_ops *skops)
rv = bpf_setsockopt(skops, SOL_TCP,
TCP_BPF_SNDCWND_CLAMP,
&clamp, sizeof(clamp));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET,
- SO_SNDBUF, &bufsize,
- sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET,
- SO_RCVBUF, &bufsize,
- sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET,
+ SO_SNDBUF, &bufsize,
+ sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET,
+ SO_RCVBUF, &bufsize,
+ sizeof(bufsize));
break;
default:
rv = -1;
diff --git a/samples/bpf/tcp_cong_kern.c b/samples/bpf/tcp_cong_kern.c
index dac15bce1fa9df0bf7324b93ecfef0777e6a4aec..ad0f1ba8206a21430895c513f8d9c289dd981cd0 100644
--- a/samples/bpf/tcp_cong_kern.c
+++ b/samples/bpf/tcp_cong_kern.c
@@ -39,8 +39,10 @@ int bpf_cong(struct bpf_sock_ops *skops)
* if neither port numberis 55601
*/
if (bpf_ntohl(skops->remote_port) != 55601 &&
- skops->local_port != 55601)
- return -1;
+ skops->local_port != 55601) {
+ skops->reply = -1;
+ return 1;
+ }
op = (int) skops->op;
diff --git a/samples/bpf/tcp_iw_kern.c b/samples/bpf/tcp_iw_kern.c
index 23c5122ef819f8e317a3b6d8dc98d1fba35a5c44..4ca5ecc9f58019a25c9b427962cce13c106dd377 100644
--- a/samples/bpf/tcp_iw_kern.c
+++ b/samples/bpf/tcp_iw_kern.c
@@ -42,8 +42,10 @@ int bpf_iw(struct bpf_sock_ops *skops)
* if neither port numberis 55601
*/
if (bpf_ntohl(skops->remote_port) != 55601 &&
- skops->local_port != 55601)
- return -1;
+ skops->local_port != 55601) {
+ skops->reply = -1;
+ return 1;
+ }
op = (int) skops->op;
@@ -62,8 +64,8 @@ int bpf_iw(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of active connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF, &bufsize,
sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
- &bufsize, sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
+ &bufsize, sizeof(bufsize));
break;
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
rv = bpf_setsockopt(skops, SOL_TCP, TCP_BPF_IW, &iw,
@@ -73,8 +75,8 @@ int bpf_iw(struct bpf_sock_ops *skops)
/* Set sndbuf and rcvbuf of passive connections */
rv = bpf_setsockopt(skops, SOL_SOCKET, SO_SNDBUF, &bufsize,
sizeof(bufsize));
- rv = rv*100 + bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
- &bufsize, sizeof(bufsize));
+ rv += bpf_setsockopt(skops, SOL_SOCKET, SO_RCVBUF,
+ &bufsize, sizeof(bufsize));
break;
default:
rv = -1;
diff --git a/samples/bpf/tcp_rwnd_kern.c b/samples/bpf/tcp_rwnd_kern.c
index 3f2a228f81ceb21d4cb48ee9d7fd2075eb4360ff..09ff65b40b31e9ebb23ea0549e24c326bf943900 100644
--- a/samples/bpf/tcp_rwnd_kern.c
+++ b/samples/bpf/tcp_rwnd_kern.c
@@ -38,8 +38,10 @@ int bpf_rwnd(struct bpf_sock_ops *skops)
* if neither port numberis 55601
*/
if (bpf_ntohl(skops->remote_port) !=
- 55601 && skops->local_port != 55601)
- return -1;
+ 55601 && skops->local_port != 55601) {
+ skops->reply = -1;
+ return 1;
+ }
op = (int) skops->op;
diff --git a/samples/bpf/tcp_synrto_kern.c b/samples/bpf/tcp_synrto_kern.c
index 3c3fc83d81cb80f2a2e0879f90cbb91f29302ab6..232bb242823eb6fddaeb2f7c3d6ba26a9432011c 100644
--- a/samples/bpf/tcp_synrto_kern.c
+++ b/samples/bpf/tcp_synrto_kern.c
@@ -38,8 +38,10 @@ int bpf_synrto(struct bpf_sock_ops *skops)
* if neither port numberis 55601
*/
if (bpf_ntohl(skops->remote_port) != 55601 &&
- skops->local_port != 55601)
- return -1;
+ skops->local_port != 55601) {
+ skops->reply = -1;
+ return 1;
+ }
op = (int) skops->op;