1 files changed, 4 insertions, 0 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index d12f7f71c1c4..e9f985e42405 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2905,6 +2905,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs)
                 err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC);
         }
 
+        if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RETRANS_CB_FLAG))
+                tcp_call_bpf_3arg(sk, BPF_SOCK_OPS_RETRANS_CB,
+                                  TCP_SKB_CB(skb)->seq, segs, err);
+
         if (likely(!err)) {
                 TCP_SKB_CB(skb)->sacked |= TCPCB_EVER_RETRANS;
                 trace_tcp_retransmit_skb(sk, skb);