diff options
| -rw-r--r-- | include/net/inet_connection_sock.h | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_cong.c | 6 | ||||
| -rw-r--r-- | net/ipv4/tcp_minisocks.c | 3 |
3 files changed, 8 insertions, 4 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 848e85cb5c61..24d5c099d3ac 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -98,7 +98,8 @@ struct inet_connection_sock { const struct tcp_congestion_ops *icsk_ca_ops; const struct inet_connection_sock_af_ops *icsk_af_ops; unsigned int (*icsk_sync_mss)(struct sock *sk, u32 pmtu); - __u8 icsk_ca_state; + __u8 icsk_ca_state:7, + icsk_ca_setsockopt:1; __u8 icsk_retransmits; __u8 icsk_pending; __u8 icsk_backoff; diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index b1c5970d47a1..b3316c8279a0 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c @@ -248,9 +248,10 @@ int tcp_set_congestion_control(struct sock *sk, const char *name) ca = tcp_ca_find(name); /* no change asking for existing value */ - if (ca == icsk->icsk_ca_ops) + if (ca == icsk->icsk_ca_ops) { + icsk->icsk_ca_setsockopt = 1; goto out; - + } #ifdef CONFIG_MODULES /* not found attempt to autoload module */ if (!ca && capable(CAP_NET_ADMIN)) { @@ -273,6 +274,7 @@ int tcp_set_congestion_control(struct sock *sk, const char *name) else { tcp_cleanup_congestion_control(sk); icsk->icsk_ca_ops = ca; + icsk->icsk_ca_setsockopt = 1; if (sk->sk_state != TCP_CLOSE && icsk->icsk_ca_ops->init) icsk->icsk_ca_ops->init(sk); diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 71d001dcf2f8..2f6667116e85 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -451,7 +451,8 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req, newtp->snd_cwnd = TCP_INIT_CWND; newtp->snd_cwnd_cnt = 0; - if (!try_module_get(newicsk->icsk_ca_ops->owner)) + if (!newicsk->icsk_ca_setsockopt || + !try_module_get(newicsk->icsk_ca_ops->owner)) tcp_assign_congestion_control(newsk); tcp_set_ca_state(newsk, TCP_CA_Open); |