diff options
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 032fcaee164a..5ea0949dadfd 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1273,7 +1273,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) bool want_cookie = false; struct flowi4 fl4; struct tcp_fastopen_cookie foc = { .len = -1 }; - struct tcp_fastopen_cookie valid_foc = { .len = -1 }; struct sk_buff *skb_synack; int do_fastopen; @@ -1381,7 +1380,8 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) if (dst == NULL) goto drop_and_free; } - do_fastopen = tcp_fastopen_check(sk, skb, req, &foc, &valid_foc); + do_fastopen = !want_cookie && + tcp_fastopen_check(sk, skb, req, &foc); /* We don't call tcp_v4_send_synack() directly because we need * to make sure a child socket can be created successfully before @@ -1394,8 +1394,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) * latter to remove its dependency on the current implementation * of tcp_v4_send_synack()->tcp_select_initial_window(). */ - skb_synack = tcp_make_synack(sk, dst, req, - fastopen_cookie_present(&valid_foc) ? &valid_foc : NULL); + skb_synack = tcp_make_synack(sk, dst, req, &foc); if (skb_synack) { __tcp_v4_send_check(skb_synack, ireq->ir_loc_addr, ireq->ir_rmt_addr); @@ -1415,9 +1414,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) tcp_rsk(req)->listener = NULL; /* Add the request_sock to the SYN table */ inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT); - if (fastopen_cookie_present(&foc) && foc.len != 0) - NET_INC_STATS_BH(sock_net(sk), - LINUX_MIB_TCPFASTOPENPASSIVEFAIL); } else if (tcp_fastopen_create_child(sk, skb, skb_synack, req)) goto drop_and_release; |
