diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 32755b538652d0e3614f81fbbe47a157dc9220bf..a6a91e5e96fcae9810e9af9abf8c5b857fcd2abf 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -784,5 +784,6 @@ enum {
 };
 
 #define TCP_BPF_IW		1001	/* Set TCP initial congestion window */
+#define TCP_BPF_SNDCWND_CLAMP	1002	/* Set sndcwnd_clamp */
 
 #endif /* _UAPI__LINUX_BPF_H__ */
diff --git a/net/core/filter.c b/net/core/filter.c
index 794be0a454f54cdf52c8fec80d72923900b172da..523b91d2502552d092cbb90e348fa7e9a1f12ca1 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2746,6 +2746,13 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
 				else
 					tp->snd_cwnd = val;
 				break;
+			case TCP_BPF_SNDCWND_CLAMP:
+				if (val <= 0) {
+					ret = -EINVAL;
+				} else {
+					tp->snd_cwnd_clamp = val;
+					tp->snd_ssthresh = val;
+				}
 			default:
 				ret = -EINVAL;
 			}