diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/inet_connection_sock.h | 16 | ||||
| -rw-r--r-- | include/net/netns/ipv4.h | 2 |
2 files changed, 14 insertions, 4 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index d6d9d1c1985a..086d1193c9ef 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -328,11 +328,10 @@ void inet_csk_update_fastreuse(struct inet_bind_bucket *tb, struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu); -#define TCP_PINGPONG_THRESH 1 - static inline void inet_csk_enter_pingpong_mode(struct sock *sk) { - inet_csk(sk)->icsk_ack.pingpong = TCP_PINGPONG_THRESH; + inet_csk(sk)->icsk_ack.pingpong = + READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_pingpong_thresh); } static inline void inet_csk_exit_pingpong_mode(struct sock *sk) @@ -342,7 +341,16 @@ static inline void inet_csk_exit_pingpong_mode(struct sock *sk) static inline bool inet_csk_in_pingpong_mode(struct sock *sk) { - return inet_csk(sk)->icsk_ack.pingpong >= TCP_PINGPONG_THRESH; + return inet_csk(sk)->icsk_ack.pingpong >= + READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_pingpong_thresh); +} + +static inline void inet_csk_inc_pingpong_cnt(struct sock *sk) +{ + struct inet_connection_sock *icsk = inet_csk(sk); + + if (icsk->icsk_ack.pingpong < U8_MAX) + icsk->icsk_ack.pingpong++; } static inline bool inet_csk_has_ulp(const struct sock *sk) diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index d96d05b08819..73f43f699199 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -133,6 +133,8 @@ struct netns_ipv4 { u8 sysctl_tcp_migrate_req; u8 sysctl_tcp_comp_sack_nr; u8 sysctl_tcp_backlog_ack_defer; + u8 sysctl_tcp_pingpong_thresh; + int sysctl_tcp_reordering; u8 sysctl_tcp_retries1; u8 sysctl_tcp_retries2; |