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authorMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
committerMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
commit498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch)
tree00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /samples/bpf/tcp_clamp_kern.c
parentd5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff)
parent5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff)
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Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'samples/bpf/tcp_clamp_kern.c')
-rw-r--r--samples/bpf/tcp_clamp_kern.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/samples/bpf/tcp_clamp_kern.c b/samples/bpf/tcp_clamp_kern.c
index d68eadd9ca2d..f4225c9d2c0c 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;