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Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7c18dd3ce011..2519f530b114 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -828,7 +828,7 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
inet_twsk(sk)->tw_mark : sk->sk_mark;
ctl_sk->sk_priority = (sk->sk_state == TCP_TIME_WAIT) ?
- inet_twsk(sk)->tw_priority : sk->sk_priority;
+ inet_twsk(sk)->tw_priority : READ_ONCE(sk->sk_priority);
transmit_time = tcp_transmit_time(sk);
xfrm_sk_clone_policy(ctl_sk, sk);
txhash = (sk->sk_state == TCP_TIME_WAIT) ?
@@ -1024,10 +1024,11 @@ static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst,
if (skb) {
__tcp_v4_send_check(skb, ireq->ir_loc_addr, ireq->ir_rmt_addr);
- tos = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_reflect_tos) ?
- (tcp_rsk(req)->syn_tos & ~INET_ECN_MASK) |
- (inet_sk(sk)->tos & INET_ECN_MASK) :
- inet_sk(sk)->tos;
+ tos = READ_ONCE(inet_sk(sk)->tos);
+
+ if (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_reflect_tos))
+ tos = (tcp_rsk(req)->syn_tos & ~INET_ECN_MASK) |
+ (tos & INET_ECN_MASK);
if (!INET_ECN_is_capable(tos) &&
tcp_bpf_ca_needs_ecn((struct sock *)req))
@@ -3287,6 +3288,8 @@ static int __net_init tcp_sk_init(struct net *net)
net->ipv4.sysctl_tcp_syn_linear_timeouts = 4;
net->ipv4.sysctl_tcp_shrink_window = 0;
+ net->ipv4.sysctl_tcp_pingpong_thresh = 1;
+
return 0;
}